358  
CDUS43 KGRR 220518  
CLIJXN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
1218 AM EST MON JAN 22 2018  
 
   
...............................
 
 
   
..THE JACKSON MI CLIMATE SUMMARY FOR JANUARY 21 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1944 TO 9999  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST  
VALUE (LST) VALUE FROM YEAR  
NORMAL    
..................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 40 330 PM 31 9 59  
MINIMUM 36 1007 AM 16 20 42  
AVERAGE 38 23 15 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.04 -0.04 0.00  
MONTH TO DATE 0.41 1.09 -0.68 2.30  
SINCE DEC 1 1.09 2.96 -1.87 3.18  
SINCE JAN 1 0.41 1.09 -0.68 2.30  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 42 -15 14  
MONTH TO DATE 944 871 73 761  
SINCE DEC 1 2166 2015 151 1926  
SINCE JUL 1 3408 3419 -11 2896  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 4.1  
 
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 85 1200 PM  
AVERAGE 93  
   
......................................................
 
 
 
THE JACKSON MI CLIMATE NORMALS FOR TODAY  
NORMAL  
MAXIMUM TEMPERATURE (F) 31  
MINIMUM TEMPERATURE (F) 16  
 
 
SUNRISE AND SUNSET  
JANUARY 22 2018.......SUNRISE 800 AM EST SUNSET 539 PM EST  
JANUARY 23 2018.......SUNRISE 759 AM EST SUNSET 541 PM EST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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